词汇	old rural workers
释义	old rural workers 老年农民工
随便看	structure and performance structure and phase transition structure and principle structure and principle of engine Structure and principles structure and process of schooling structure and properties Structure and Properties of Ebonite structure and properties of polymers structure and property structure and property of joints structure and property prediction structure and quality Structure and regulation structure and scheme structure and selection of airlock structure and semantic stratum Structure and shape Structure and stability structure and strength design structure and strength of pile structure and syntax structure and system Structure and Technology structure and the competency standard